iframe {
    width: 100%;
    height: 90%;
}

.content-iframe {
    margin-top: 1%;
}

.html-body-overflow {
    overflow-x:hidden;
    overflow-y:hidden;
}

.no-choose{
    -moz-user-select:none;/*火狐*/
    -webkit-user-select:none;/*webkit浏览器*/
    -ms-user-select:none;/*IE10*/
    -khtml-user-select:none;/*早期浏览器*/
    user-select:none;
}